Effect of Nyquist Noise on the Nyquist Dephasing Rate in 2d Electron Systems

Details Effect of Nyquist Noise on the Nyquist Dephasing Rate in 2d Electron Systems Effect of Nyquist Noise on the Nyquist Dephasing Rate in 2d Electron Systems

2001-07-23

arxiv.org/abs/cond-mat/0107454v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 4 figures. Author affiliation clarified; acknowledgements modified. Replacement reason clarified

Scientific paper

10.1103/PhysRevB.65.201310

We measure the effect of externally applied broadband Nyquist noise on the intrinsic Nyquist dephasing rate of electrons in a two-dimensional electron gas at low temperatures. Within the measurement error, the phase coherence time is unaffected by the externally applied Nyquist noise, including applied noise temperatures of up to 300 K. The amplitude of the applied Nyquist noise from 100 MHz to 10 GHz is quantitatively determined in the same experiment using a microwave network analyzer.

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